diff options
Diffstat (limited to 'sokol_gfx.h')
| -rw-r--r-- | sokol_gfx.h | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/sokol_gfx.h b/sokol_gfx.h index 9049ae27..acda3dc4 100644 --- a/sokol_gfx.h +++ b/sokol_gfx.h @@ -10578,6 +10578,11 @@ _SOKOL_PRIVATE void _sg_mtl_begin_pass(_sg_pass_t* pass, const sg_pass_action* a /* block until the oldest frame in flight has finished */ dispatch_semaphore_wait(_sg.mtl.sem, DISPATCH_TIME_FOREVER); _sg.mtl.cmd_buffer = [_sg.mtl.cmd_queue commandBufferWithUnretainedReferences]; + [_sg.mtl.cmd_buffer addCompletedHandler:^(id<MTLCommandBuffer> cmd_buffer) { + // NOTE: this code is called on a different thread! + _SOKOL_UNUSED(cmd_buffer); + dispatch_semaphore_signal(_sg.mtl.sem); + }]; } /* if this is first pass in frame, get uniform buffer base pointer */ @@ -10724,11 +10729,9 @@ _SOKOL_PRIVATE void _sg_mtl_commit(void) { else { cur_drawable = (__bridge id<MTLDrawable>) _sg.mtl.drawable_userdata_cb(_sg.mtl.user_data); } - [_sg.mtl.cmd_buffer presentDrawable:cur_drawable]; - [_sg.mtl.cmd_buffer addCompletedHandler:^(id<MTLCommandBuffer> cmd_buffer) { - _SOKOL_UNUSED(cmd_buffer); - dispatch_semaphore_signal(_sg.mtl.sem); - }]; + if (nil != cur_drawable) { + [_sg.mtl.cmd_buffer presentDrawable:cur_drawable]; + } [_sg.mtl.cmd_buffer commit]; /* garbage-collect resources pending for release */ |